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DATAMP Patents by Date for February 1929
This table shows the number of the first patent in the DATAMP database for each date, broken down by patent type.
DateUtilityReissueDesignXAIPatents
51,700,825----[datamp][all]
121,701,673----[datamp][all]
191,702,245----[datamp][all]
261,703,179----[datamp][all]